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Hi everyone, here's my first (brief) review of the MG6 Pro In-ears by Future Sonics..
First, i'd like to note that Mr. Marty Garcia (CEO FutureSonics) is a complete gentleman, he took time to answer ALL my questions on phone and emails too! That's rare and heart warming.. - a far cry from Sensaphonics where i encountered a completely rude rep, and Ultimate ears that won't answer or...” --SammyDplus

“Looking at the picture of the PK3's I wasn't expecting much. They look and feel cheap using a generic case for the drivers making them easy to fake. (In fact my first pair were fake!) these earbuds sound GREAT! Especially considering the price ($44) I have a few pair of earbuds in this same and higher price range and these PK3's knock all of them out of the water. They have a flat sounding...” --thebluebulk

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Synopsis: The Spectrum Series G10 is the next generation universal fit stage monitor from Future Sonics. Replacing the Atrio with a new driver, housing, and cables, the G10 surpasses it in detail and control throughout the frequency spectrum. It does this while keeping a tuning characterized by full sub-bass, a clear midrange with a small boost in the vocal region, and a balanced,...” --Kunlun

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Synopsis: The Future Sonics MG6Pro Ear Monitor is an excellent sounding custom earphone tuned for a supremely natural sound. The overall sound is very smooth, extended in bass and treble, and very well balanced by the clear midrange. The excellent reproduction of vocal and instrumental timbre, combined with superior soundstage and sense of stereo imagining are also standouts. Using a single...” --Kunlun

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Synopsis: The Future Sonics MG5pro is a professional stage monitor for audiophiles. It offers a different tuning than its brother, the fully stage-oriented MG6pro, by offering a brighter, more overall tonally balanced tuning. The MG5pro lifts the vocal ranges and matches this with an accurate, well extended treble. The bass is very well controlled and yet has one of the most real...” --Kunlun

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These were my sweetest sounding head-gear yet. It would be brilliant all-rounder if it would not require a portable amp for portable use. This is the first reason i left it, otherwise i almost got an ear infection from those foams.., they get dirty in a few weeks of massive use. I recommend them to clean, i boiled them in water.
” --angevoi

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Well firstly this is not a true iem. The sound is about as great as one could get from an earbud. In my limited experience and without trying the pk1, I would say these are the finest buds you can buy. With that said, these are not for everyone, this is a niche product within an already niche market. I find driving it with my D12 anaconda makes for a pleasurable sound,...” --Jamesdeandoa

PK2 earphones are the low impedance version of PK1. Although not as good as PK1, PK2's sound signature is similar to PK1. You don't have to drive PK2 with an expensive head-amp. If you are looking for something with high performance/price ratio, PK2 might be the best choice.